package com.guo.fristspringboot.mapper;

import com.guo.fristspringboot.entity.Course;
import com.guo.fristspringboot.entity.Student;
import org.apache.ibatis.annotations.Mapper;
import org.springframework.stereotype.Repository;

import java.util.List;

@Mapper
@Repository
public interface CourseMapper {

    Course getById(String c_id);

    List<Course> getAll();

    Course getAllAnd(String t_id);

}
